Air Brakes

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How should you check that your service brakes are working properly?

APark on level ground, chock the wheels, engage the parking brakes when you have the correct amount of air pressure to do so and shut the engine off.
BPark on slight grade, drain off air pressure, set parking brake and check to the movement.
CPark on level ground, wait until normal air pressure is reached, release the parking brake and move forward slowly at about 5 mph. Then apply the brakes firmly.